Models and Charts for Estimation of Solutions of Sulphuric Acid as Generator of Constant Relative Humidity and Corresponding Water Activity Values in an Enclosed Constant Temperature Environment. Agr. Foo. Nat. Res. J. [Internet]. 2022 Dec. 1 [cited 2026 Sep. 11];1(1):1-6. Available from: https://journals.unizik.edu.ng/afnrj/article/view/8743